Tag Archives: chmod

Linux File Recovery Primer Tutorial

We’re creating a Korn Shell program today for use with the Mac OS X command line, or for use with Linux or unix, in posing the following individual file restore or recovery scenario … #! /bin/ksh # copy_depending.ksh # If … Continue reading

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Mac OS X Users and Groups Primer Tutorial

Underpinning a Mac OS X MacBook Pro laptop’s workings is a Linux or Unix-like BSD operating system. This operating system, like a lot of others, uses files that have permissions and ownership. If you have file permissions they are for … Continue reading

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PHP/HTML/Javascript Password Protect Image Primer Tutorial

So you’ve seen the title of this blog post, but supposing you were to forget that, and link the concepts below … what would you have thought it was about? HTML/Javascript onerror event for img tag (Image) file permissions at … Continue reading

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